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femtosecond

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noun fem·to·sec·ond \ˈfem(p)-tə-ˌse-kənd, -kənt, -tō-\

Definition of femtosecond

  1. :  one quadrillionth of a second



1976

First Known Use of femtosecond

1976

Rhymes with femtosecond

microsecond, millisecond, nanosecond, picosecond, yoctosecond, zeptosecond


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